import { AICapabilities, AIInterface, AIMessage, AIModel, AIResponse, ChatOptions, CompletionOptions, EmbeddingOptions, EmbeddingResponse, ImageDescriptionOptions, ImageEmbeddingOptions, ImageGenerationOptions, ImageGenerationResponse, MessageOptions, SeevioOptions, TTSOptions, TTSResponse, VideoGenerationJob, VideoGenerationOptions, VideoGenerationResult, VideoGenerationStatusResult, Voice, VoiceCloneOptions, VoiceDesignOptions, VoiceListOptions } from '../types';
/** Native Seevio adapter for the pinned `seedance-2-5` model. */
export declare class SeevioProvider implements AIInterface {
    private readonly options;
    private readonly resultOrigins;
    private readonly nextPollAt;
    private readonly completedSnapshots;
    /** Creates a Seevio task client using the documented HTTPS API root. */
    constructor(options: SeevioOptions);
    private request;
    private rawRequest;
    private assertReviewedResultUrl;
    private downloadReviewedResult;
    private mediaUrls;
    private pollTask;
    private completedSnapshot;
    /** Submits one unambiguous, non-retried Seedance 2.5 task. */
    submitVideoGenerationJob(options: VideoGenerationOptions): Promise<VideoGenerationJob>;
    /** Returns a normalized task snapshot, enforcing Seevio's 10-second poll cadence. */
    getVideoGenerationJob(handle: VideoGenerationJob): Promise<VideoGenerationStatusResult>;
    /** Downloads a completed video while validating the initial URL and every redirect. */
    fetchVideoGenerationResult(handle: VideoGenerationJob): Promise<VideoGenerationResult>;
    /** Reports cancellation as unsupported because Seevio documents no cancellation endpoint. */
    cancelVideoGenerationJob(_handle: VideoGenerationJob): Promise<void>;
    /** Performs an unbilled random task-id probe; an authenticated 404 is valid access. */
    validateVideoGenerationAccess(): Promise<boolean>;
    private mapTask;
    /** Lists the single intentional Seevio model selection. */
    getModels(): Promise<AIModel[]>;
    /** Reports Seevio's video-only capability surface. */
    getCapabilities(): Promise<AICapabilities>;
    private unsupported;
    /** @inheritdoc */ chat(_messages: AIMessage[], _options?: ChatOptions): Promise<AIResponse>;
    /** @inheritdoc */ complete(_prompt: string, _options?: CompletionOptions): Promise<AIResponse>;
    /** @inheritdoc */ message(_text: string, _options?: MessageOptions): Promise<string>;
    /** @inheritdoc */ embed(_text: string | string[], _options?: EmbeddingOptions): Promise<EmbeddingResponse>;
    /** @inheritdoc */ embedImage(_image: string | Buffer, _options?: ImageEmbeddingOptions): Promise<EmbeddingResponse>;
    /** @inheritdoc */ describeImage(_image: string | Buffer, _prompt?: string, _options?: ImageDescriptionOptions): Promise<string>;
    /** @inheritdoc */ generateImage(_prompt: string, _options?: ImageGenerationOptions): Promise<ImageGenerationResponse>;
    /** @inheritdoc */ stream(_messages: AIMessage[], _options?: ChatOptions): AsyncIterable<string>;
    /** @inheritdoc */ countTokens(_text: string): Promise<number>;
    /** @inheritdoc */ synthesizeSpeech(_text: string, _options?: TTSOptions): Promise<TTSResponse>;
    /** @inheritdoc */ streamSpeech(_text: string, _options?: TTSOptions): AsyncIterable<Buffer>;
    /** @inheritdoc */ cloneVoice(_options: VoiceCloneOptions): Promise<Voice>;
    /** @inheritdoc */ designVoice(_options: VoiceDesignOptions): Promise<Voice>;
    /** @inheritdoc */ getVoices(_options?: VoiceListOptions): Promise<Voice[]>;
}
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